bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/viewpoint/ContextInputCallbackViewpointContributorImpl.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.browsing.ui.graph.impl.contributor.viewpoint;\r
  13 \r
  14 import java.util.Collection;\r
  15 import java.util.function.Consumer;\r
  16 \r
  17 import org.simantics.browsing.ui.BuiltinKeys.ViewpointContributionKey;\r
  18 import org.simantics.browsing.ui.NodeContext;\r
  19 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
  20 import org.simantics.browsing.ui.Tester;\r
  21 import org.simantics.browsing.ui.content.Contributor;\r
  22 import org.simantics.browsing.ui.content.ViewpointContribution;\r
  23 import org.simantics.browsing.ui.content.ViewpointContributionFactory;\r
  24 import org.simantics.browsing.ui.graph.impl.contribution.CallbackViewpointContributionImpl;\r
  25 import org.simantics.db.ReadGraph;\r
  26 import org.simantics.db.exception.DatabaseException;\r
  27 \r
  28 abstract public class ContextInputCallbackViewpointContributorImpl implements Contributor<ViewpointContributionFactory> {\r
  29 \r
  30     abstract public void getContribution(ReadGraph graph, NodeContext context, Consumer<Collection<?>> callback) throws DatabaseException;\r
  31 \r
  32     abstract public String getViewpointId();\r
  33 \r
  34     final private Class<?> clazz;\r
  35 \r
  36     @Override\r
  37     public Tester getNodeContextTester() {\r
  38         return null;\r
  39     }\r
  40 \r
  41     public ContextInputCallbackViewpointContributorImpl() {\r
  42         clazz = Object.class;\r
  43     }\r
  44 \r
  45     public ContextInputCallbackViewpointContributorImpl(Class<?> clazz) {\r
  46         this.clazz = clazz;\r
  47     }\r
  48 \r
  49     @Override\r
  50     public ViewpointContributionFactory getFactory() {\r
  51 \r
  52         return new ViewpointContributionFactory() {\r
  53 \r
  54             @Override\r
  55             public String getViewpointId() {\r
  56                 return ContextInputCallbackViewpointContributorImpl.this.getViewpointId();\r
  57             }\r
  58 \r
  59             @Override\r
  60             public ViewpointContribution create(final PrimitiveQueryUpdater updater, NodeContext context, final ViewpointContributionKey key) {\r
  61 \r
  62                 return new CallbackViewpointContributionImpl(updater, context, key) {\r
  63 \r
  64                     @Override\r
  65                     public void children(ReadGraph graph, NodeContext context, Consumer<Collection<?>> callback) throws DatabaseException {\r
  66 \r
  67                         ContextInputCallbackViewpointContributorImpl.this.getContribution(graph, context, callback);\r
  68 \r
  69                     }\r
  70 \r
  71                     @Override\r
  72                     public Tester getNodeContextTester() {\r
  73                         return ContextInputCallbackViewpointContributorImpl.this.getNodeContextTester();\r
  74                     }\r
  75 \r
  76                     @Override\r
  77                     public Class<?> getInputClass() {\r
  78                         return ContextInputCallbackViewpointContributorImpl.this.getInputClass();\r
  79                     }\r
  80 \r
  81                 };\r
  82 \r
  83             }\r
  84 \r
  85         };\r
  86 \r
  87     }\r
  88 \r
  89     @Override\r
  90     public Class<?> getInputClass() {\r
  91         return clazz;\r
  92     }\r
  93 \r
  94 }\r